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Your central resource for RIVE and edged-weapons training. Explore our knife combat system, classes, seminars, equipment, books, videos, articles, and other resources we produce or recommend. Use this page to learn more about knife combat, specifically through the methodologies of our proprietary knife system, Rive. Shop our knives, merch, and manuals here as well.
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RIVE is a modern knife combat system designed around both the use of edged weapons and defense against them. It combines pressure-tested methods, sparring, combatives, historical weapon principles, and contemporary conflict data into a progressive curriculum.
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Training is the core of what we do. Below you’ll find weekly RIVE classes, intensive seminars, guest workshops, videos, and educational resources designed to build practical edged-weapon skill.
SEMINARS AND WORKSHOPS
Focused, intensive training for those who want to go deeper. Explore our Combative Edge courses and other specialized edged-weapons workshops.
LEARN ABOUT OUR COURSES
COMBATIVE EDGE LEVEL I
COMBATIVE EDGE LEVEL II
UPCOMING SCHEDULE
Don’t see a date that works?
WEEKLY KNIFE CLASSES
Consistent, progressive training designed to build skill over time. Learn RIVE at your own pace through weekly instruction, drilling, partner work, and sparring.
Your first class is always FREE
SHOP OUR KNIVES
DESIGNED BY US, MADE IN THE USA
Sub Rosa - Non-Metallic G10 Knife
$75.00
Features
Triangular cross-section blade for reinforced tip strength
Beveled edge that can be sharpened easily with sandpaper
Generous grip swell to fill the hand securely
Hooked pommel swell to prevent slippage
Thumb ramp for forward pressure control
Pinned G10 laminate construction — no metal components
Includes sheath and matching blue trainer
Specifications
Material: G10
Blade Length: 2.29 in
Overall Length: 6.20 in
Knife Weight: 1.9 oz
Weight w/ Sheath: 2.9 oz
Tie-Breaker CQC - 3" EDC Knife
$250.00
NEW AND IMPROVED VERSION 3 DESIGN FOR 2025
FEATURES:
Crafted Kydex Sheath with (Includes IWB clips, belt keeper, AND Neck Cord)
Version 2 comes with REMOVEABLE SCALES
Over Length: 7 1/4 Inch
Blade Length: 3"
Blade Thickness: 1/8 Inch
Blade Steel: 80CRV2 Premium Knife Steel
Sharpness: Single and double-edged available
Blade Hardness: 58-59 HRC
Coating: Black Stonewash Finish
100% Crafted in the USA
Weight: 2.7 OZ
Handle Material: Contoured G10
GET THE FULL COMBATIVE EDGE EXPERIENCE BY GETTING THE KNIFE DESIGNED FOR IT. You get an exclusive 10% discount on these high quality, custom knives when you enroll in a Combative Edge class (Must enroll first). Each Tie-Breaker is a hand-crafted knife made in the USA.
Tie-Breaker XL - 4" EDC Knife
$339.00
FEATURES:
Crafted Kydex Sheath with (Includes IWB clips, belt keeper, AND Neck Cord)
Scales are Removeable for cleaning and customization
Over Length: 8 1/4 Inch
Blade Length: 4"
Blade Thickness: 1/8 Inch
Blade Steel: 80CRV2 Premium Knife Steel
Sharpness: Single and double-edged available
Blade Hardness: 58-59 HRC
Coating: Black Cerekote Finish
100% Crafted in the USA
Weight: 3.8 OZ
Handle Material: Contoured G10
GET THE FULL COMBATIVE EDGE EXPERIENCE BY GETTING THE KNIFE DESIGNED FOR IT. You get an exclusive 10% discount on these high quality, custom knives when you enroll in a Combative Edge class (Must enroll first). Each Tie-Breaker is a hand-crafted knife made in the USA.
SHOP RIVE BOOKS
TAKE THE SYSTEM HOME
The Rive manual series turns our curriculum into a structured reference that you can study alongside live or online training.
Each volume builds from beginner-level drills to more advanced concepts utilizing photos and videos designed to make the material easier to follow. Available soon in softcover and downloadable eBook.
KNOWLEDGE TRANSFER
Learn beyond the classroom. Explore free guides, articles, reviews, research, and practical discussions
FREE DOWNLOADS
BLOG ARTICLES
TOP 5 MYTHS OF KNIFE FIGHTING
VIDEO RESOURCES
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SHOP MERCH
RIVE - Comfortable T-Shirt
from $28.00
Represent RIVE with this comfortable, soft, lightweight, and form-fitting shirt.
• 100% combed ring-spun cotton
• Heather Grey is 90% cotton, 10% polyester
• Fabric weight: 4.3 oz/yd² (145.8 g/m²)
• 32 singles
• Pre-shrunk
• Blank product sourced from Honduras, Nicaragua, Mexico, or Cambodia
This product is made especially for you as soon as you place an order, which is why it takes us a bit longer to deliver it to you. Making products on demand instead of in bulk helps reduce overproduction, so thank you for making thoughtful purchasing decisions!
• 100% combed ring-spun cotton
• Heather Grey is 90% cotton, 10% polyester
• Fabric weight: 4.3 oz/yd² (145.8 g/m²)
• 32 singles
• Pre-shrunk
• Blank product sourced from Honduras, Nicaragua, Mexico, or Cambodia
This product is made especially for you as soon as you place an order, which is why it takes us a bit longer to deliver it to you. Making products on demand instead of in bulk helps reduce overproduction, so thank you for making thoughtful purchasing decisions!
RIVE - Tank Top
from $25.00
Represent RIVE with this comfortable, form fitting tank top.
• 100% combed ring-spun cotton
• Athletic Heather is 85% cotton, 15% viscose
• Charcoal Heather is 60% polyester, 40% cotton
• Fabric weight: 5.5 oz/yd² (186.48 g/m²)
• Soft-washed and tight-knit mid/heavyweight material
• Relaxed fit
• Extra soft surface
• Sleeveless drop arm
• Blank product sourced from Bangladesh
This product is made especially for you as soon as you place an order, which is why it takes us a bit longer to deliver it to you. Making products on demand instead of in bulk helps reduce overproduction, so thank you for making thoughtful purchasing decisions!
• 100% combed ring-spun cotton
• Athletic Heather is 85% cotton, 15% viscose
• Charcoal Heather is 60% polyester, 40% cotton
• Fabric weight: 5.5 oz/yd² (186.48 g/m²)
• Soft-washed and tight-knit mid/heavyweight material
• Relaxed fit
• Extra soft surface
• Sleeveless drop arm
• Blank product sourced from Bangladesh
This product is made especially for you as soon as you place an order, which is why it takes us a bit longer to deliver it to you. Making products on demand instead of in bulk helps reduce overproduction, so thank you for making thoughtful purchasing decisions!
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